/Engine/Source/Runtime/WebBrowser/Public/IWebBrowserWindow.h
A delegate that is invoked on completion of browser resource loads. Its primary purpose is to allow response to failures.
typedef TBaseDelegate_FourParams< void, [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString), [FString](API\Runtime\Core\Containers\FString), int64 > FOnResourceLoadCompleteDelegate